Python contracts in London

87 open Python contracts in London, typically £450–£650 a day.

Open contracts: 87
Typical day rate: £450–£650Median £525, from 75 contracts stating a rate
Outside IR35: 27%of the 60 that state a status

At the median £525 a day over 220 working days, you'd take home about £72,529 a year outside IR35, or £68,878 inside IR35. Work out your own take-home pay

87 contracts found

AI Engineer - LLM & Agentic SystemsHybrid
Globally established data and information services business
£600–£650/dayOutside IR35
London · Posted 54 days ago
- Python
- Machine learning
- Agentic AI
- LangChain
- FastAPI
- +2 more
Data ConsultantHybrid
Leading data and analytics consultancy
£288–£310/dayOutside IR35
London · 3 months · Posted 46 days ago
- Python
- SQL
- CRM
- Looker
- Data analysis
- +1 more
4 adverts
Senior DeveloperHybrid
Defence programme
£600–£750/dayInside IR35
London · 15 months · DV clearance · Posted 46 days ago
- Python
- FastAPI
- React
- TypeScript
- REST APIs
- +2 more
2 adverts
Senior/Lead AI Software Engineer Java & PythonHybrid
Enterprise client in financial services or securities
£843–£1,000/dayInside IR35
London · 12 months · Posted 40 days ago
- Python
- Java
- Machine learning
- LLMs / generative AI
- Process improvement
Oracle Lead Database EngineerHybrid
Deutsche Bank
Rate not statedInside IR35 (implied)
London · 6 months · Posted 39 days ago
- Python
- Oracle Database
- Cloud engineering
- Bash / shell scripting
- Ansible
- +1 more
Direct from employer
AI Platform Engineer
AI-focused consultancy for a major consumer platform programme
£475/dayIR35 not stated
London · Posted 39 days ago
- Python
- Platform engineering
- OAuth 2.0 / OIDC
- Observability / monitoring
- Terraform
- +7 more
Application Upgrade & Automation EngineerHybrid
Leading Financial Systems & Solutions team
£400–£450/dayInside IR35
London · 35 months · SC clearance · Posted 39 days ago
- Python
- Linux
- Platform engineering
- CI/CD
- Migration
- +8 more
2 adverts
Senior AI EngineerHybrid
Innovative, technology-led organisation
£450–£475/dayOutside IR35
London · 6 months · Posted 39 days ago
- Python
- Microservices
- Git / GitHub
- FastAPI
- PostgreSQL
- +11 more
2 adverts
SC Cleared Senior Azure DevSec EngineerHybrid
Critical Azure-hosted application within a highly regulated environment
£650–£750/dayInside IR35
London · SC clearance · Posted 34 days ago
- Python
- Azure
- DevOps
- Microsoft Entra ID (Azure AD)
- CI/CD
- +6 more
AI/ML EngineerRemote
Well-established consumer goods business
£400–£500/dayOutside IR35
London · 3 months · Posted 33 days ago
- Python
- Machine learning
- TensorFlow
- PyTorch
- scikit-learn
- +6 more
Data ScientistHybrid
Harnham - Data & Analytics Recruitment
£500–£600/dayOutside IR35
London · 6 months · Posted 33 days ago
- Python
- Data science
- Machine learning
- SQL
- Stakeholder management
AI/ML EngineerHybrid
Well-established media business with strong digital presence and growing data and AI innovation focus
£460–£550/dayOutside IR35
London · 6 months · Posted 33 days ago
- Python
- Machine learning
- MLOps
- CI/CD
- Stakeholder management
- +6 more
Data Scientist - BAU AnalyticsHybrid
Leading global SaaS organisation
£500/dayIR35 not stated
London · 12 months · Posted 33 days ago
- Python
- BigQuery
- Airflow
- Looker
- Data analysis
- +7 more
Data ScientistHybrid
Well-established consumer goods business
£400–£500/dayOutside IR35
London · 6 months · Posted 33 days ago
- Python
- Data science
- Machine learning
- SQL
- Forecasting
- +1 more
IAM Security EngineerHybrid
Leading financial services organisation
£400–£450/dayInside IR35
London · 6 months · Posted 32 days ago
- Python
- Identity and access management (IAM)
- CI/CD
- Cloud security
- REST APIs
- +10 more
2 adverts
Senior Threat Modelling & Application Security EngineerHybrid
Major organisation
£450–£500/dayInside IR35
London · 6 months · Posted 32 days ago
- Python
- Cyber security
- Cloud security
- Docker
- Helm
- +12 more
2 adverts
GCP Data EngineerHybrid
Global healthcare and AI research organisation
£700–£750/dayInside IR35
London · 6 months · Posted 29 days ago
- Python
- Google Cloud (GCP)
- Data engineering
- Storage
- Cloud native
- +7 more
QA Tester - **Must have Active SC Clearance**
UK-headquartered AI company building sovereign AI capability for defence and national security
£400–£500/dayIR35 not stated
London · SC clearance · Posted 29 days ago
- Python
- Kafka
- ETL
- SQL
- IoT
- +3 more
SC Cleared Lead Automation EngineerHybrid
£475–£525/dayInside IR35
London · SC clearance · Posted 29 days ago
- Python
- Test automation
- API testing
- Performance testing
- Process improvement
- +3 more
Full Stack Engineer - Must be DV ClearedHybrid
Morela
Rate not statedIR35 not stated
London · 6 months · Posted 29 days ago
- Python
- TypeScript
- Linux
- CI/CD
- Docker
- +7 more
Automation Software EngineerHybrid
Cybersecurity team
£600–£650/dayInside IR35
London · 6 months · Posted 28 days ago
- Python
- REST APIs
- CI/CD
- DevOps
Data AnalystRemote
Public Sector
Up to £450/dayInside IR35
London · 6 months · BPSS clearance · Posted 28 days ago
- Python
- Data analysis
- Power BI
- SQL
- R
- +3 more
Senior DevSecOps EngineerHybrid
Major financial services organisation
£600–£650/dayOutside IR35
London · 6 months · Posted 26 days ago
- Python
- DevSecOps
- AWS
- Amazon EKS
- Identity and access management (IAM)
- +7 more
Security Data Platform EngineerHybrid
Leading media organisation
£400–£420/dayInside IR35
London · 6 months · Posted 25 days ago
- Python
- Google Cloud (GCP)
- BigQuery
- Airflow
- dbt
- +5 more
3 adverts
Senior Data ScientistHybrid
Award-winning global SaaS company
£480–£500/dayIR35 not stated
London · 6 months · Posted 25 days ago
- Python
- Data science
- SQL
- R
- MLOps
- +3 more
Data Engineer / Network Traffic AnalysisHybrid
£500–£550/dayInside IR35
London · 6 months · Posted 25 days ago
- Python
- SQL
- TCP/IP
- Network engineering
- DNS
Full Stack Developer - Python / JavaScriptHybrid
Global retail business
£650–£750/dayInside IR35
London · 6 months · Posted 25 days ago
- Python
- Django
- Flask
- JavaScript
- TypeScript
- +7 more
Rubrik SMEHybrid
Leading global financial institution
£600–£680/dayInside IR35
London · Posted 25 days ago
- Python
- Backup and recovery
- Disaster recovery
- Storage
- VMware / vSphere
- +5 more
Analytics Engineer
Leading telecoms organisation
£450–£465/dayInside IR35
London · 6 months · Posted 25 days ago
- Python
- Data engineering
- SQL
- BigQuery
- Data modelling
- +2 more
CyberArk SME - Cloud MigrationHybrid
Leading global financial services organisation
£725/dayInside IR35
London · 6 months · Posted 24 days ago
- Python
- CyberArk
- Privileged access management (PAM)
- Cloud security
- Azure
- +5 more
Senior AI Engineer – Machine Learning (Computer Vision)Hybrid
Leading digital commerce organisation
£600–£650/dayOutside IR35
London · 6 months · Posted 22 days ago
- Python
- Machine learning
- Deep learning
- Computer vision
- PyTorch
- +6 more
TechOps EngineerOn site
Technology-led organisation
£400/dayIR35 not stated
London · Posted 22 days ago
- Python
- Azure
- Linux
- Spring / Spring Boot
- Site reliability engineering (SRE)
- +14 more
Security Engineer (DevSecOps)Hybrid
Not specified in advert
£550–£650/dayInside IR35
London · Posted 22 days ago
- Python
- DevSecOps
- CI/CD
- Vulnerability management
- DevOps
- +7 more
Python DeveloperRemote
Major public-sector organisation managing UK immigration, visa and passport services
£550–£618/dayInside IR35
London · 6 months · SC clearance · Posted 21 days ago
- Python
- Go
- AWS
- Microservices
- Kubernetes
- +7 more
Azure Databricks EngineerHybrid
Data transformation programme client
£350–£400/dayInside IR35
London · 6 months · Posted 20 days ago
- Python
- Azure
- Databricks
- SQL
- ETL
- +2 more
Machine Learning EngineerRemote
FTSE 100 retail client
£700–£750/dayIR35 not stated
London · 6 months · Posted 19 days ago
- Python
- Machine learning
- SQL
- pandas
- scikit-learn
- +5 more
ML EngineerHybrid
Large-scale technology programme
£600–£650/dayInside IR35
London · 36 months · BPSS clearance · Posted 19 days ago
- Python
- Machine learning
- TensorFlow
- PyTorch
- scikit-learn
- +7 more
SC cleared Junior Data EngineerHybrid
Central government
£300–£395/dayIR35 not stated
London · SC clearance · Posted 19 days ago
- Python
- Data engineering
- Java
- Kafka
- Kubernetes
- +4 more
2 adverts
Senior Data ScientistHybrid
Fast-growing international organisation with UK and Canadian markets
£400–£450/dayInside IR35
London · 6 months · Posted 18 days ago
- Python
- SQL
- Machine learning
- Google Cloud (GCP)
- BigQuery
- +6 more
DevOps / GenAI EngineerRemote
Enterprise client
£400–£450/dayOutside IR35
London · 6 months · Posted 18 days ago
- Python
- DevOps
- CI/CD
- GitHub Actions
- Argo CD
- +10 more
Data Scientist
Guidant Global
£600–£850/dayIR35 not stated
London · Posted 18 days ago
- Python
- Data science
- Statistics
- Data analysis
Financial Crime SME - Transaction MonitoringHybrid
High-profile banking client
£600/dayIR35 not stated
London · 6 months · Posted 18 days ago
- Python
- AML / KYC
- Process improvement
- Observability / monitoring
- Power BI
- +5 more
Senior Data Engineer - Amazon BedrockRemote
Amazon
£575–£600/dayOutside IR35
Parrett Works · 6 months · Posted 18 days ago
- Python
- Data engineering
- SQL
- AWS
- Cloud architecture
- +3 more
Senior Platform EngineerOn site
Guidant Global
£650–£850/dayIR35 not stated
London · DV clearance · Posted 18 days ago
- Python
- DevOps
- Kubernetes
- Terraform
- Platform engineering
- +6 more
6 adverts
Lead Data Engineer
Guidant Global
£700–£800/dayIR35 not stated
London · Posted 18 days ago
- Python
- Data engineering
- Apache Spark
- Data modelling
- Data governance
- +1 more
Senior Machine Learning EngineerHybrid
Guidant Global
£700–£900/dayInside IR35
London · SC clearance · Posted 18 days ago
- Python
- Machine learning
- MLOps
- Deep learning
- Observability / monitoring
- +3 more
2 adverts
Applied AI Scientist
Guidant Global
£600–£800/dayIR35 not stated
London · Posted 18 days ago
- Python
- Machine learning
- LLMs / generative AI
- Data science
- MLOps
Python Full Stack DeveloperHybrid
Highly reputable Asset Management client
£700–£800/dayInside IR35
London · 6 months · Posted 18 days ago
- Python
- Azure
- Agile
- Cloud native
- Angular
- +7 more
AI Engineer - Semantic Layer & Agentic AI
£600–£700/dayIR35 not stated
London · Posted 15 days ago
- Python
- SQL
- Machine learning
- LLMs / generative AI
- RAG (retrieval-augmented generation)
- +8 more
Palantir Foundry Data EngineerRemote
Major client
£550–£650/dayOutside IR35
London · 6 months · Posted 15 days ago
- Python
- Data engineering
- SQL
- ETL
- Data integration

Contracts, sorted by Posted, oldest first. Page 1 of 2.
Role: sort by Role, A to Z	IR35: sort by IR35, outside IR35 first	Rate: sort by Rate, highest first	Location: sort by Location, A to Z	Contract length: sort by Contract length, longest first	Posted: sort by Posted, newest first
AI Engineer - LLM & Agentic Systems Globally established data and information services business Python Machine learning Agentic AI LangChain FastAPI +2 more	Outside IR35	£600–£650/day	London · Hybrid	Not stated	54 days ago
Data Consultant Leading data and analytics consultancy Python SQL CRM Looker Data analysis +1 more 4 adverts	Outside IR35	£288–£310/day	London · Hybrid	3 months	46 days ago
Senior Developer Defence programme Python FastAPI React TypeScript REST APIs +2 more 2 adverts	Inside IR35	£600–£750/day	London · Hybrid	15 months DV clearance	46 days ago
Senior/Lead AI Software Engineer Java & Python Enterprise client in financial services or securities Python Java Machine learning LLMs / generative AI Process improvement	Inside IR35	£843–£1,000/day	London · Hybrid	12 months	40 days ago
Oracle Lead Database Engineer Deutsche Bank Python Oracle Database Cloud engineering Bash / shell scripting Ansible +1 more Direct from employer	Inside IR35 (implied)	Not stated	London · Hybrid	6 months	39 days ago
AI Platform Engineer AI-focused consultancy for a major consumer platform programme Python Platform engineering OAuth 2.0 / OIDC Observability / monitoring Terraform +7 more	IR35 not stated	£475/day	London	Not stated	39 days ago
Application Upgrade & Automation Engineer Leading Financial Systems & Solutions team Python Linux Platform engineering CI/CD Migration +8 more 2 adverts	Inside IR35	£400–£450/day	London · Hybrid	35 months SC clearance	39 days ago
Senior AI Engineer Innovative, technology-led organisation Python Microservices Git / GitHub FastAPI PostgreSQL +11 more 2 adverts	Outside IR35	£450–£475/day	London · Hybrid	6 months	39 days ago
SC Cleared Senior Azure DevSec Engineer Critical Azure-hosted application within a highly regulated environment Python Azure DevOps Microsoft Entra ID (Azure AD) CI/CD +6 more	Inside IR35	£650–£750/day	London · Hybrid	Not stated SC clearance	34 days ago
AI/ML Engineer Well-established consumer goods business Python Machine learning TensorFlow PyTorch scikit-learn +6 more	Outside IR35	£400–£500/day	London · Remote	3 months	33 days ago
Data Scientist Harnham - Data & Analytics Recruitment Python Data science Machine learning SQL Stakeholder management	Outside IR35	£500–£600/day	London · Hybrid	6 months	33 days ago
AI/ML Engineer Well-established media business with strong digital presence and growing data and AI innovation focus Python Machine learning MLOps CI/CD Stakeholder management +6 more	Outside IR35	£460–£550/day	London · Hybrid	6 months	33 days ago
Data Scientist - BAU Analytics Leading global SaaS organisation Python BigQuery Airflow Looker Data analysis +7 more	IR35 not stated	£500/day	London · Hybrid	12 months	33 days ago
Data Scientist Well-established consumer goods business Python Data science Machine learning SQL Forecasting +1 more	Outside IR35	£400–£500/day	London · Hybrid	6 months	33 days ago
IAM Security Engineer Leading financial services organisation Python Identity and access management (IAM) CI/CD Cloud security REST APIs +10 more 2 adverts	Inside IR35	£400–£450/day	London · Hybrid	6 months	32 days ago
Senior Threat Modelling & Application Security Engineer Major organisation Python Cyber security Cloud security Docker Helm +12 more 2 adverts	Inside IR35	£450–£500/day	London · Hybrid	6 months	32 days ago
GCP Data Engineer Global healthcare and AI research organisation Python Google Cloud (GCP) Data engineering Storage Cloud native +7 more	Inside IR35	£700–£750/day	London · Hybrid	6 months	29 days ago
QA Tester - Must have Active SC Clearance UK-headquartered AI company building sovereign AI capability for defence and national security Python Kafka ETL SQL IoT +3 more	IR35 not stated	£400–£500/day	London	Not stated SC clearance	29 days ago
SC Cleared Lead Automation Engineer Python Test automation API testing Performance testing Process improvement +3 more	Inside IR35	£475–£525/day	London · Hybrid	Not stated SC clearance	29 days ago
Full Stack Engineer - Must be DV Cleared Morela Python TypeScript Linux CI/CD Docker +7 more	IR35 not stated	Not stated	London · Hybrid	6 months	29 days ago
Automation Software Engineer Cybersecurity team Python REST APIs CI/CD DevOps	Inside IR35	£600–£650/day	London · Hybrid	6 months	28 days ago
Data Analyst Public Sector Python Data analysis Power BI SQL R +3 more	Inside IR35	Up to £450/day	London · Remote	6 months BPSS clearance	28 days ago
Senior DevSecOps Engineer Major financial services organisation Python DevSecOps AWS Amazon EKS Identity and access management (IAM) +7 more	Outside IR35	£600–£650/day	London · Hybrid	6 months	26 days ago
Security Data Platform Engineer Leading media organisation Python Google Cloud (GCP) BigQuery Airflow dbt +5 more 3 adverts	Inside IR35	£400–£420/day	London · Hybrid	6 months	25 days ago
Senior Data Scientist Award-winning global SaaS company Python Data science SQL R MLOps +3 more	IR35 not stated	£480–£500/day	London · Hybrid	6 months	25 days ago
Data Engineer / Network Traffic Analysis Python SQL TCP/IP Network engineering DNS	Inside IR35	£500–£550/day	London · Hybrid	6 months	25 days ago
Full Stack Developer - Python / JavaScript Global retail business Python Django Flask JavaScript TypeScript +7 more	Inside IR35	£650–£750/day	London · Hybrid	6 months	25 days ago
Rubrik SME Leading global financial institution Python Backup and recovery Disaster recovery Storage VMware / vSphere +5 more	Inside IR35	£600–£680/day	London · Hybrid	Not stated	25 days ago
Analytics Engineer Leading telecoms organisation Python Data engineering SQL BigQuery Data modelling +2 more	Inside IR35	£450–£465/day	London	6 months	25 days ago
CyberArk SME - Cloud Migration Leading global financial services organisation Python CyberArk Privileged access management (PAM) Cloud security Azure +5 more	Inside IR35	£725/day	London · Hybrid	6 months	24 days ago
Senior AI Engineer – Machine Learning (Computer Vision) Leading digital commerce organisation Python Machine learning Deep learning Computer vision PyTorch +6 more	Outside IR35	£600–£650/day	London · Hybrid	6 months	22 days ago
TechOps Engineer Technology-led organisation Python Azure Linux Spring / Spring Boot Site reliability engineering (SRE) +14 more	IR35 not stated	£400/day	London · On site	Not stated	22 days ago
Security Engineer (DevSecOps) Not specified in advert Python DevSecOps CI/CD Vulnerability management DevOps +7 more	Inside IR35	£550–£650/day	London · Hybrid	Not stated	22 days ago
Python Developer Major public-sector organisation managing UK immigration, visa and passport services Python Go AWS Microservices Kubernetes +7 more	Inside IR35	£550–£618/day	London · Remote	6 months SC clearance	21 days ago
Azure Databricks Engineer Data transformation programme client Python Azure Databricks SQL ETL +2 more	Inside IR35	£350–£400/day	London · Hybrid	6 months	20 days ago
Machine Learning Engineer FTSE 100 retail client Python Machine learning SQL pandas scikit-learn +5 more	IR35 not stated	£700–£750/day	London · Remote	6 months	19 days ago
ML Engineer Large-scale technology programme Python Machine learning TensorFlow PyTorch scikit-learn +7 more	Inside IR35	£600–£650/day	London · Hybrid	36 months BPSS clearance	19 days ago
SC cleared Junior Data Engineer Central government Python Data engineering Java Kafka Kubernetes +4 more 2 adverts	IR35 not stated	£300–£395/day	London · Hybrid	Not stated SC clearance	19 days ago
Senior Data Scientist Fast-growing international organisation with UK and Canadian markets Python SQL Machine learning Google Cloud (GCP) BigQuery +6 more	Inside IR35	£400–£450/day	London · Hybrid	6 months	18 days ago
DevOps / GenAI Engineer Enterprise client Python DevOps CI/CD GitHub Actions Argo CD +10 more	Outside IR35	£400–£450/day	London · Remote	6 months	18 days ago
Data Scientist Guidant Global Python Data science Statistics Data analysis	IR35 not stated	£600–£850/day	London	Not stated	18 days ago
Financial Crime SME - Transaction Monitoring High-profile banking client Python AML / KYC Process improvement Observability / monitoring Power BI +5 more	IR35 not stated	£600/day	London · Hybrid	6 months	18 days ago
Senior Data Engineer - Amazon Bedrock Amazon Python Data engineering SQL AWS Cloud architecture +3 more	Outside IR35	£575–£600/day	Parrett Works · Remote	6 months	18 days ago
Senior Platform Engineer Guidant Global Python DevOps Kubernetes Terraform Platform engineering +6 more 6 adverts	IR35 not stated	£650–£850/day	London · On site	Not stated DV clearance	18 days ago
Lead Data Engineer Guidant Global Python Data engineering Apache Spark Data modelling Data governance +1 more	IR35 not stated	£700–£800/day	London	Not stated	18 days ago
Senior Machine Learning Engineer Guidant Global Python Machine learning MLOps Deep learning Observability / monitoring +3 more 2 adverts	Inside IR35	£700–£900/day	London · Hybrid	Not stated SC clearance	18 days ago
Applied AI Scientist Guidant Global Python Machine learning LLMs / generative AI Data science MLOps	IR35 not stated	£600–£800/day	London	Not stated	18 days ago
Python Full Stack Developer Highly reputable Asset Management client Python Azure Agile Cloud native Angular +7 more	Inside IR35	£700–£800/day	London · Hybrid	6 months	18 days ago
AI Engineer - Semantic Layer & Agentic AI Python SQL Machine learning LLMs / generative AI RAG (retrieval-augmented generation) +8 more	IR35 not stated	£600–£700/day	London	Not stated	15 days ago
Palantir Foundry Data Engineer Major client Python Data engineering SQL ETL Data integration	Outside IR35	£550–£650/day	London · Remote	6 months	15 days ago

Contracts come from job boards and employers' own careers sites, updated hourly. IR35 status is as stated in each advert: always confirm it with the hirer.

Python contracts in London

Selected filters

87 contracts found

AI Engineer - LLM & Agentic SystemsHybrid

Data ConsultantHybrid

Senior DeveloperHybrid

Senior/Lead AI Software Engineer Java & PythonHybrid

Oracle Lead Database EngineerHybrid

AI Platform Engineer

Application Upgrade & Automation EngineerHybrid

Senior AI EngineerHybrid

SC Cleared Senior Azure DevSec EngineerHybrid

AI/ML EngineerRemote

Data ScientistHybrid

AI/ML EngineerHybrid

Data Scientist - BAU AnalyticsHybrid

Data ScientistHybrid

IAM Security EngineerHybrid

Senior Threat Modelling & Application Security EngineerHybrid

GCP Data EngineerHybrid

QA Tester - **Must have Active SC Clearance**

SC Cleared Lead Automation EngineerHybrid

Full Stack Engineer - Must be DV ClearedHybrid

Automation Software EngineerHybrid

Data AnalystRemote

Senior DevSecOps EngineerHybrid

Security Data Platform EngineerHybrid

Senior Data ScientistHybrid

Data Engineer / Network Traffic AnalysisHybrid

Full Stack Developer - Python / JavaScriptHybrid

Rubrik SMEHybrid

Analytics Engineer

CyberArk SME - Cloud MigrationHybrid

Senior AI Engineer – Machine Learning (Computer Vision)Hybrid

TechOps EngineerOn site

Security Engineer (DevSecOps)Hybrid

Python DeveloperRemote

Azure Databricks EngineerHybrid

Machine Learning EngineerRemote

ML EngineerHybrid

SC cleared Junior Data EngineerHybrid

Senior Data ScientistHybrid

DevOps / GenAI EngineerRemote

Data Scientist

Financial Crime SME - Transaction MonitoringHybrid

Senior Data Engineer - Amazon BedrockRemote

Senior Platform EngineerOn site

Lead Data Engineer

Senior Machine Learning EngineerHybrid

Applied AI Scientist

Python Full Stack DeveloperHybrid

AI Engineer - Semantic Layer & Agentic AI

Palantir Foundry Data EngineerRemote

QA Tester - Must have Active SC Clearance